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Prepping for doomsday: A growing industry in East Tennessee

Prepping for doomsday: A growing industry in East Tennessee

Preparing for a doomsday scenario has become a billion-dollar industry. And an expo in East Tennessee highlights some of the newest tactics.

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Prepping for doomsday: A growing industry in East Tennessee

Preparing for a doomsday scenario has become a billion-dollar industry. And an expo in East Tennessee highlights some of the newest tactics. Heidi Wigdahl